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Home >> Lexus >> 1996 >> ES 300 V6-3.0L (1MZ-FE) >> Repair and Diagnosis >> Powertrain Management >> Fuel Delivery and Air Induction >> Variable Induction System >> Variable Induction Control Valve >> Service and Repair
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Variable Induction Control Valve: Service and Repair








REMOVAL

1. DISCONNECT HOSES FROM INTAKE AIR CONTROL VALVE
- Disconnect these hoses:
(1) Brake booster vacuum hose
(2) Actuator vacuum hose
- Disconnect the DLC1.




2. REMOVE INTAKE AIR CONTROL VALVE
- Remove the 4 nuts and DLC1 bracket, and disconnect the ground strap and cable.
- Remove the intake air control valve by prying a screwdriver between the intake air control valve and air intake chamber.
- Remove the gasket.

INSPECTION




1. INSPECT INTAKE AIR CONTROL VALVE
- With 26.7 kPa (200 mm.Hg, 7.9 in.Hg) of vacuum applied to the actuator, check that the actuator rod moves.
- One minute after applying the vacuum in (a), check that the actuator rod does not return.
- If the operation is not as specified, replace the intake air control valve.




2. INSPECT VACUUM TANK

LOCATION: The LH side member under the battery tray.
- Check that air flows from port B to port A.
- Check that air does not flow from port A to port B.




- Plug port B with your finger, and apply 26.7 kPa (200 mm Hg, 7.9 in.Hg) of vacuum to port A, and check that there is no change in vacuum after one minute. If the operation is not as specified, replace the vacuum tank.
3. INSPECT VSV

INSTALLATION




1. INSTALL INTAKE AIR CONTROL VALVE
- Install a new gasket to the air intake chamber.




- Apply a light coat of engine oil to the rubber portions.
- Apply seal packing to the positions of the intake air control valve shown in the illustration.

Seal packing: Part No.08826-00080 or equivalent

- Install the intake air control valve, DLC1 bracket and ground strap and cable with the 4 nuts.

Torque: 14.5 N.m (145 kgf.cm. 10 ft.lb.)

2. CONNECT HOSES TO INTAKE AIR CONTROL VALVE
- Connect these hoses:
(1) Brake booster vacuum hose
(2) Actuator vacuum hose
- Install the DLC1.
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